package com.heima.user.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.user.dtos.LoginDto;
import com.heima.model.user.pojos.ApUser;
import com.heima.user.mapper.ApUserMapper;
import com.heima.user.service.ApUserService;
import com.heima.utils.common.AppJwtUtil;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.DigestUtils;

import java.util.HashMap;
import java.util.Map;

@Service
@Transactional
@Slf4j
public class ApUserServiceImpl extends ServiceImpl<ApUserMapper, ApUser> implements ApUserService {
    @Autowired
    ApUserMapper apUserMapper;
    /**
     * app端登录功能
     *
     * @param loginDto
     * @return
     */
    @Override
    public ResponseResult login(LoginDto loginDto) {
        //正常登录

        if(StringUtils.isNotBlank(loginDto.getPhone())&&StringUtils.isNotBlank(loginDto.getPassword())){
            //1.根据手机号查询用户信息
            LambdaQueryWrapper<ApUser> lam=new LambdaQueryWrapper<ApUser>();
            lam.eq(ApUser::getPhone,loginDto.getPhone());
            ApUser apUser = apUserMapper.selectOne(lam);
            //2.如果有该用户则比对密码
            if(apUser==null){
                return ResponseResult.errorResult(AppHttpCodeEnum.DATA_NOT_EXIST,"用户信息不存在");
            }
            String salt = apUser.getSalt();
            String password = loginDto.getPassword();
            String pswd = DigestUtils.md5DigestAsHex((password + salt).getBytes());
            if(!pswd.equals(apUser.getPassword())){
                return ResponseResult.errorResult(AppHttpCodeEnum.LOGIN_PASSWORD_ERROR);
            }
            //3.返回数据 JWT
            String token = AppJwtUtil.getToken(apUser.getId().longValue());
            Map<String,Object> map=new HashMap<>();
            map.put("token",token);
            apUser.setSalt("");
            apUser.setPassword("");
            map.put("user",apUser);
            return ResponseResult.okResult(map);
        } else {
            //游客登录
            String token=AppJwtUtil.getToken(0L);
            Map<String,Object> map=new HashMap<>();
            map.put("token",token);
            return ResponseResult.okResult(map);

        }
    }
}
